<%@ page contentType="text/html;utf-8" pageEncoding="utf-8" %>
<html>
<head>
    <style>
        #main{
            width: 280px;
            height:250px;
            border:2px black dotted;
            text-align: center;
            line-height: 40px;
            margin:100px auto;
        }
        #sub{
            width:80%;
        }
    </style>
</head>
<body>
<div id="main">
<form id="myform" method="post" action="login.do">
    <h4>登&nbsp&nbsp&nbsp录</h4>
    账 号：<input type="text" name="username" placeholder="请输入用户名"><br/>
    密 码：<input type="password" name="upwd" placeholder="请输入密码"><br/>
    <p>
        <input type="submit" name="submit" id="sub" value="登陆">
    </p>
</form>
</div>
</body>
</html>
